From nobody Mon Feb 9 01:45:33 2026 Received: from bali.collaboradmins.com (bali.collaboradmins.com [148.251.105.195]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3EBD4436343; Wed, 4 Feb 2026 20:41:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=148.251.105.195 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770237671; cv=none; b=uG4ygKbtyitqRci7J8k5tU2M58lu2zAxhCaopLniWFA1GFSmw1qjnLIg84UZn2g+gmf6oNtEApwHSg5k2L5PMv8+ESv0i5EVZ8iAitK0RXIC244wvHN/bs3AAYZnUN0d69cHKptzDvp7Qt7dYSuPX+eYXEEFwUNA27fLUYmZuPg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770237671; c=relaxed/simple; bh=o7a0hN8233hHD9BCGtRr6Gh5sxlycp6ly9Wn2+YrBFA=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=iH34g1DzVbzsbVkYbZW6r7BdlFsf8vlYHG0hpd22fh/VBrhs7mRnbibLhXGQ8TA4o6jjQcnRjank+IwID/BI/ARVkzxCTkmnfLi5g/4wYmr33raU9nFvxXGebNjs892ZA7Ja4hiB7ph2ercSjP+my7WQcrkF9v307Zzh59KJF0Q= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b=SyS1dukD; arc=none smtp.client-ip=148.251.105.195 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="SyS1dukD" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1770237669; bh=o7a0hN8233hHD9BCGtRr6Gh5sxlycp6ly9Wn2+YrBFA=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=SyS1dukDcR/c7zbhQ7vznUHuIeMeHu0yfGFL4BSrGd2Q3hNrfKx+mAtsRqMxCS6XR cr+6gdoqPOofn8e75V+HG6SM2uJ6e/N8GEF+EielAP8IzzaE6kz9EPnbstIsldr6wB acVSqw9JUsgknWUP8N6j5toRNqtoYNq8t3rfF/FzEzkDFOkc2jExVGaKmQCtl3VKy4 LbKqJB5dgN4Xjmw5zYP4V1HRXCpDwTY8iohOajQWPVJQvYPUNMr51pMU9l3qRH9dBQ 13665TqyAhg84FtxktlvgapuE4GfmmlnW1s0euPxBOyBYIRjgDOXuQFMuG2ucugJc4 pOXk3l6BA9ORw== Received: from [192.168.0.79] (unknown [IPv6:2804:14d:72b4:81ae:67c:16ff:fe57:b5a3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: dwlsalmeida) by bali.collaboradmins.com (Postfix) with ESMTPSA id E3B1317E13D3; Wed, 4 Feb 2026 21:41:06 +0100 (CET) From: Daniel Almeida Date: Wed, 04 Feb 2026 17:40:41 -0300 Subject: [PATCH v2 3/4] rust: workqueue: add delayed work support for ARef Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260204-aref-workitem-v2-3-bec25b012d2a@collabora.com> References: <20260204-aref-workitem-v2-0-bec25b012d2a@collabora.com> In-Reply-To: <20260204-aref-workitem-v2-0-bec25b012d2a@collabora.com> To: Miguel Ojeda , Boqun Feng , Gary Guo , =?utf-8?q?Bj=C3=B6rn_Roy_Baron?= , Benno Lossin , Andreas Hindborg , Alice Ryhl , Trevor Gross , Danilo Krummrich , David Airlie , Simona Vetter , Tejun Heo , Lai Jiangshan Cc: rust-for-linux@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Daniel Almeida X-Mailer: b4 0.14.3 The preceding patches added support for ARef work items. By the same token, add support for delayed work items too. The rationale is the same: it may be convenient or even necessary at times to implement HasDelayedWork directly on ARef. A follow up patch will also implement support for drm::Device as the first user. Signed-off-by: Daniel Almeida --- rust/kernel/workqueue.rs | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/rust/kernel/workqueue.rs b/rust/kernel/workqueue.rs index 6ae7f3fb3496..4ee4ff567197 100644 --- a/rust/kernel/workqueue.rs +++ b/rust/kernel/workqueue.rs @@ -1007,6 +1007,17 @@ unsafe fn __enqueue(self, queue_work_on: F) -> Se= lf::EnqueueOutput } } =20 +// SAFETY: By the safety requirements of `HasDelayedWork`, the `work_struc= t` returned by methods in +// `HasWork` provides a `work_struct` that is the `work` field of a `delay= ed_work`, and the rest of +// the `delayed_work` has the same access rules as its `work` field. +unsafe impl RawDelayedWorkItem for ARef +where + T: WorkItem, + T: HasDelayedWork, + T: AlwaysRefCounted, +{ +} + /// Returns the system work queue (`system_wq`). /// /// It is the one used by `schedule[_delayed]_work[_on]()`. Multi-CPU mult= i-threaded. There are --=20 2.52.0